| Acronym | Definition |
|---|
| IEN➣Industrial Equipment News |
| IEN➣Inspecteur de l'Éducation Nationale (French: Inspector of National Education) |
| IEN➣Indigenous Environmental Network |
| IEN➣Intelligent Emergency Network |
| IEN➣Interrupt Enable Register |
| IEN➣Internet Experiment Notes |
| IEN➣Istituto Elettrotecnico Nazionale |
| IEN➣Internet Experiment Note |
| IEN➣Intraepithelial Neoplasia |
| IEN➣Internet Engineering Notes (IETF) |
| IEN➣Information Exchange Network |
| IEN➣Integrated Enterprise Network (Hypercom) |
| IEN➣Instituto Elettrotecnico Nazionale (Turin, Italy, time standard) |
| IEN➣Inter-Exchange Network (Cisco) |
| IEN➣Internal Engineering Notice (Pratt & Whitney) |
| IEN➣In Each Nostril |